Volume 8, Issue 1 (4-2000)                   www.ijcm.ir 2000, 8(1): 71-82 | Back to browse issues page

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Study on Emorescence or Ceramic Objects of Archeological Excavation . www.ijcm.ir. 2000; 8 (1) :71-82
URL: http://ijcm.ir/article-1-861-en.html
Abstract:   (691 Views)

EfIloresce means formation or crystals or whitish
deposits on the surfaces of objer.:ls. The appeflrance of these
crystals are due to the type ot" <lrt works, pigment, binding
factor used, conselVation treatments and the environment in
which the objects arc kept. In order to study the components
of eftlorescence and the reasons for thier formation, samples
were collected from the sedimenls present on the surface.'. of
twenty six ceramic objects. 111cse objects were excavated from
regions with different dimaticconditiolls, Hnd were all unglazed,
and belonged to the first or second millcnium BC. Fourier
transform infrared spectroscopy (FT~ JR), X~ray diffntction
(XRD) and wet chemical analysis were used for analysing of
these minute samples. The results showed thAt the deposits
consisted 01" either one or ,1 mixture of h'Ypsum, r.:alcitc,
hydrated ferric chloride, feldspa r, pyroxene, hematite and
halite. Also the soil of region was analysed <lnd the effects of
the cnvironmental ("actors on components and amount of
cfllorcscence w.]s studied.

Full-Text [PDF 179 kb]   (241 Downloads)    
Type of Study: Research | Subject: Special
Received: 2017/07/5 | Accepted: 2017/07/5 | Published: 2017/07/5

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